SPECTRUM

A Stellar Spectral Synthesis Program


 

SPECTRUM is a stellar spectral synthesis program written by Richard O. Gray of the Department of Physics and Astronomy, Appalachian State University for both research and education in astronomy.  SPECTRUM runs on a number of platforms, including most flavors of UNIX and LINUX.  It will run under Windows 9x/ME/NT/2000  using the  Cygwin  tools.   You can now also pick up executable binaries for SPECTRUM and selected auxiliary programs which will run under a DOS window under Windows 9x and NT.    SPECTRUM and a number of auxiliary programs are available on an ftp site and through this Web site.

New!Version 2.73 now available

Version 2.73 represents a major upgrade in the capabilities of SPECTRUM.  All naturally occuring elements are now supported by SPECTRUM, partition functions have been updated, and support for hyperfine splitting improved, and a few bugs have been corrected.  See the file 00README.1st in the distribution for more details.  The program LINES has also been upgraded with support for isotopes, hyperfine splitting, molecules and the ability to read in the new Castelli/Kurucz models.

New!Beta version 2.75 now available

Version 2.75 represents a major upgrade in the capabilities of SPECTRUM over v2.73. Version 2.75 also comes with new, detailed documentation for the installation and use of v2.75. See the download page.

new!Updated documentation for version 2.66!  Documentation for 2.73 will be added shortly; see 00README.1st for information specific to v2.73.
new! New and improved GUI's for SPECTRUM and BLACKWEL!


To find out more about SPECTRUM, and how you can obtain it and run it on your own computer, click on the items below: